Home / 1,816,214,201.28-2,506,375,501.83-980,838,691.38

Finding the Fourth Proportional to 1,816,214,201.28, 2,506,375,501.83 and 980,838,691.38

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Solution

The fourth proportional to 1,816,214,201.28, 2,506,375,501.83 and 980,838,691.38 is: 1,353,557,342.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,214,201.28 : 2,506,375,501.83 = 980,838,691.38 : x
  2. Step 2: Convert to fraction form
    1,816,214,201.28/2,506,375,501.83 = 980,838,691.38/x
  3. Step 3: Cross multiply
    1,816,214,201.28x = 2,506,375,501.83 × 980,838,691.38
  4. Step 4: Simplify right side
    1,816,214,201.28x = 2,458,350,067,321,827,840
  5. Step 5: Solve for x
    x = 2,458,350,067,321,827,840/1,816,214,201.28
  6. Step 6: Final answer
    x = 1,353,557,342.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.